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        Numerical Study on Thermodynamic Performance in a Cryogenic Fuel Storage Tank Under External Sloshing Excitation

        Zhan Liu,Hong Chen,Qiang Chen,Liubiao Chen 한국항공우주학회 2021 International Journal of Aeronautical and Space Sc Vol.22 No.5

        Fluid sloshing usually causes some serious safety issues during the transportation and utilization of liquid fuel in different engineering applications. In this paper, a computational fluid dynamics model is established to investigate the thermal physical process and sloshing hydrodynamics in a cryogenic fuel storage tank. Both the experimental validation and calculation grid sensitive analysis are conducted. The present numerical calculation model was turned out to be acceptable and proper for fluid sloshing prediction. Based on the proposed numerical model, the sloshing force and moment, the tank pressure variation, the fluid temperature distribution and the dynamic response of the free surface are investigated and analyzed respectively. The results show that the sinusoidal excitation has obvious influences on the thermodynamic and hydrodynamics performance in cryogenic fuel storage tanks. With some valuable conclusions obtained, this study is of significance to the depth understanding on the non-isothermal fluid sloshing, and may supply some technique supports for the safety design of cryogenic storage tanks.

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